Please Can I have an answer?? Where is the support Team?

I posted a problem 16 hours ago but no answer… Where is the problem?
https://forum.tagdiv.com/topic/tagdiv-composer-error-after-upgrading/

post content:
ood afternoon, how I wrote in the title the composer hang on after I click on save button ad does not save the pages.
url: https://openplanet.it
server plesk on linux os
Error log while enter in the pages in edit mode
122875#0: *2133235 open() “/var/www/vhosts/openplanet.it/httpdocs/wp-json/wp/v2/types” failed (2: No such file or directory)
Error log while saving
Error 79.60.17.103 404 POST /wp-json/td-composer/update_footer_template?uuid=5f784a23-0246-538b-ca22-31394e0426d7 HTTP/2.0
Error 79.60.17.103 404 POST /wp-json/td-composer/update_header_template?uuid=e9179030-13b6-b920-bdde-b7b35ae88e5f HTTP/2.0
Error 79.60.17.103 404 POST /wp-json/td-composer/save_post?uuid=0ac9462c-1229-83fd-76c1-3dc84d037548 HTTP/2.0
Error 79.60.17.103 122875#0: *2133235 open() “/var/www/vhosts/openplanet.it/httpdocs/wp-json/td-composer/update_header_template” failed (2: No such file or directory)
Error 79.60.17.103 122875#0: *2133235 open() “/var/www/vhosts/openplanet.it/httpdocs/wp-json/td-composer/update_footer_template” failed (2: No such file or directory)
Error 79.60.17.103 122875#0: *2133235 open() “/var/www/vhosts/openplanet.it/httpdocs/wp-json/td-composer/save_post” failed (2: No such file or directory)